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黄河水含有大量悬浮细粉沙,它是一种泥沙混合物的悬浮液,声波在其中传播时有严重的衰减.无论是从声波在浑水介质中传播的物理研究,还是从黄河治理所用的水声设备角度来说。研究并实际测量黄河浑水介质的声衰减都是一项有意义的工作.若在黄河现场进行较全面的声波衰减的测量,是有很大的困难性和局限性的,这就有必要在实验室内人为的制造“黄河浑水”.为此,我们从八二年的下半年开始筹备。经过半年多的努力,从制造浑水到实际测量,现已告一段落.
The Yellow River contains a large amount of suspended fine sand, which is a suspension of the mixture of silt and sediment, the sound waves in which there is a serious decline when it comes. Whether it is from the sound waves in the muddy medium of physical research, or from the Yellow River Acoustic equipment point of view. It is a meaningful task to study and measure the acoustic attenuation of the muddy water in the Yellow River.If there is a great difficulty and limitation in the more comprehensive acoustic attenuation measurement in the Yellow River, In the laboratory, man-made “Yellow River muddy water.” To this end, we started preparations for the second half of 1982. After more than six months of hard work, from the manufacture of muddy water to the actual measurement, it has come to an end.